Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- C. Aerts3 profiles218 · h 67
- L. Decin2 profiles159 · h 49
- H. Van Winckel2 profiles137 · h 15
- S. Poedts134 · h 46
- R. Keppens2 profiles124 · h 43
- H. Sana2 profiles117 · h 44
- A. Tkachenko3 profiles100 · h 26
- C. Maes99 · h 42
- A. de Koter2 profiles96 · h 12
- G. Nelemans90 · h 94
- V. Moshchalkov88 · h 63
- A. Van Proeyen68 · h 6
- Centre National de la Recherche ScientifiqueFR995 papers
- Institute of AstronomyRU531 papers
- Radboud University NijmegenNL455 papers
- University of AmsterdamNL451 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR360 papers
- Observatoire de ParisFR358 papers
- Laboratoire d’études spatiales et d’instrumentation en astrophysiqueFR319 papers
- Royal Observatory of BelgiumBE315 papers
- European Southern ObservatoryCL292 papers
- University of LiègeBE291 papers
- Max Planck Institute for AstronomyDE288 papers
- UCLouvainBE274 papers
41 papers · 2 filters
Resolving the disk rotation of HD 97048 and HD 100546 in the [O I] 6300A line: evidence for a giant planet orbiting HD 100546
B. Acke, M. E. van den Ancker
Aims. We intend to spatially and spectrally resolve the [O I] emission region in two nearby Herbig stars. Methods. We present high-resolution (R = 80,000) VLT/UVES echelle spectra…
The mid- and far-infrared colours of AGB and post-AGB stars
M. A. T. Groenewegen
With the advent of space missions, like SPITZER and ASTRO-F, with sensitive detectors in the near- and mid-infra red covering a reasonable field-of-view and having a good spatial r…
Multiperiodicity in the large-amplitude rapidly-rotating Ceph ei star HD 203664
C. Aerts, P. De Cat, J. De Ridder +4
We perform a seismic study of the young massive Cephei star HD 203664 with the goal to constrain its interior structure. Our study is based on a time series of 328 new Geneva 7-…
Analysis of MERCATOR data Part I: variable B stars
P. De Cat, M. Briquet, C. Aerts +7
We re-classified 31 variable B stars which were observed more than 50 times in the Geneva photometric system with the P7 photometer attached to the MERCATOR telescope (La Palma) du…
Observational results for northern and southern (candidate) gamma Doradus stars
P. De Cat, K. Goossens, F. Bouckaert +7
We report on observational results obtained for 78 objects originally classified as bona-fide or candidate gamma Doradus stars. For the southern objects, we gathered echelle spectr…
A spectroscopic study of southern (candidate) gamma Doradus stars. I. Time series analysis
P. De Cat, L. Eyer, J. Cuypers +9
We present results of a spectroscopic study of 37 southern (candidate) gamma Doradus stars based on echelle spectra. The observed spectra were cross-correlated with the standard te…
Trends in Space Astronomy and Cosmic Vision 2015-2025
Catherine Turon, Chris Done, Andreas Quirrenbach +14
As a short introduction to the astronomy session, the response of the community to the Call for Themes issued by ESA and the specific themes selected by the Astronomy Working Group…
Estimating stellar oscillation-related parameters and their uncertainties with the moment method
Joris De Ridder, Geert Molenberghs, Conny Aerts
The moment method is a well known mode identification technique in asteroseismology (where `mode' is to be understood in an astronomical rather than in a statistical sense), which…
The Metallicity Dependence of the Cepheid Period-Luminosity Relation
M. Romaniello, M. Mottini, F. Primas +3
We have assessed the influence of the stellar iron content on the Cepheid Period-Luminosity (PL) relation by relating the V band residuals from the Freedman et al (2001) PL relatio…
The Chemical Composition of Cepheids in the Milky Way and the Magellanic Clouds
M. Mottini, M. Romaniello, F. Primas +3
We have measured the elemental abundances of 68 Galactic and Magellanic Cepheids from FEROS and UVES high-resolution and high signal-to-noise spectra in order to establish the infl…
Amorphous alumina in the extended atmosphere of Alpha Orionis
T. Verhoelst, L. Decin, R. Van Malderen +7
In this paper we study the extended atmosphere of the late-type supergiant Alpha Orionis. Infrared spectroscopy of red supergiants reveals strong molecular bands, some of which do…
Disk and wind interaction in the young stellar object MWC 297 spatially resolved with VLTI/AMBER
F. Malbet, M. Benisty, W. J. De Wit +15
The young stellar object MWC 297 has been observed with the VLT interferometer equipped with the AMBER instrument. MWC 297 has been spatially resolved in the continuum with a visib…
Asteroseismology of the Beta Cephei star 12 (DD) Lacertae: photometric observations, pulsational frequency analysis and mode identification
G. Handler, M. Jerzykiewicz, E. Rodriguez +28
We report a multisite photometric campaign for the Beta Cephei star 12 Lacertae. 750 hours of high-quality differential photoelectric Stromgren, Johnson and Geneva time-series phot…
ESO-VLT and Spitzer spectroscopy of IRAS05328-6827: a massive young stellar object in the Large Magellanic Cloud
Jacco Th. van Loon, J. M. Oliveira, P. R. Wood +10
We present the first thermal-infrared spectra of an extra-galactic Young Stellar Object (YSO), IRAS05328-6827 in the HII region LHA 120-N148 in the Large Magellanic Cloud. The obse…
The massive binary CPD-41degr7742 II. Optical light curve and X-ray observations
H. Sana, E. Antokhina, P. Royer +4
In the first paper of this series, we presented a detailed high-resolution spectroscopic study of CPD - 41degr7742, deriving for the first time an orbital solution for both compone…
A study of the B and Be star population in the field of the LMC open cluster NGC2004 with VLT-FLAMES
Christophe Martayan, Anne-Marie Hubert, Michele Floquet +5
Observations of hot stars belonging to the young cluster LMC-NGC2004 and its surrounding region have been obtained with the VLT-GIRAFFE facilities in MEDUSA mode. 25 Be stars were…
Fundamental parameters of Be stars located in the seismology fields of COROT
Yves Y. Fremat, Coralie Neiner, Anne-Marie Hubert +4
In preparation for the COROT space mission, we determined the fundamental parameters (spectral type, temperature, gravity, vsini) of the Be stars observable by COROT in its seismol…
The 7Be(d,p)2alpha cross section at Big Bang energies and the primordial 7Li abundance
C. Angulo, E. Casarejos, M. Couder +15
The WMAP satellite, devoted to the observations of the anisotropies of the Cosmic Microwave Background (CMB) radiation, has recently provided a determination of the baryonic densit…
The symmetric dust shell and the central star of the bipolar planetary nebula NGC 6537
M. Matsuura, A. A. Zijlstra, M. D. Gray +2
We present high-resolution images of the strongly bipolar planetary nebula NGC 6537, obtained with Hubble Space Telescope and with the infrared adaptive optics system on the Very L…
The orbit of the close spectroscopic binary epsilon Lupi and the intrinsic variability of its early B-type components
K. Uytterhoeven, P. Harmanec, J. H. Telting +1
We subjected 106 new high-resolution spectra of the double-lined spectroscopic close binary epsilon Lupi, obtained in a time-span of 17 days from two different observatories, to a…
Asteroseismic diagrams for solar-type stars
Anwesh Mazumdar
We explore the feasibility of applying the Christensen-Dalsgaard diagram to real asteroseismic data and provide quantitative measures of the uncertainty associated with the results…
An asteroseismic study of the Beta Cephei star Theta Ophiuchi: spectroscopic results
M. Briquet, K. Lefever, K. Uytterhoeven +1
We present the results of a detailed analysis of 121 ground-based high-resolution high S/N spectroscopic measurements spread over 3 years for the Beta Cephei star Theta Ophiuchi. W…
Inter-occurrence Times in the Bak-Tang-Wiesenfeld Sandpile Model: A Comparison with the Turbulent Statistics of Solar Flares
Maya Paczuski, Stefan Boettcher, Marco Baiesi
A sequence of bursts observed in an intermittent time series may be caused by a single avalanche, even though these bursts appear as distinct events when noise and/or instrument re…
Mira Variables in the OGLE Bulge fields
M. A. T. Groenewegen, J. A. D. L. Blommaert
(abridged) The 222000 I-band light curves of variable stars detected by the OGLE-II survey in the direction of the Galactic Bulge have been fitted and have also been correlated wit…